Windows Efficiency Reservoir is a fake computer protection tool which gains to pilfer money from unwary users. It seeks to trick users into purchasing its “full” version of the program. Malware spreads via trojan horse which comes to the system via its vulnerabilities.
Windows Efficiency Reservoir downloads itself automatically without user’s knowledge and consent. Once active it starts to imitate computer scans and shows fake security alerts that state about PC infections. This is a lie. Do not trust this bogus application because it only seeks to steal your money. Malware will hijack your browser to misleading web pages that sell the program. Ignore all notifications and offers but use decent anti-spyware application and get rid of Windows Efficiency Reservoir immediately.